Cheap Flights from Los Angeles to Ontario International

Compare Los Angeles to Ontario International flight deals

Find the cheapest month or even day of the year to fly to Ontario International

Book the best Ontario International fare with no extra fees

Flight deals from Los Angeles to Ontario International

Looking for a cheap last-minute deal or the best return flight from Los Angeles to Ontario International Airport? If you want to travel next month, return fares start from Rs49,594. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Los Angeles to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Los Angeles to Ontario International flights are currently cheapest in September.

Los Angeles to Ontario: Flight information

The things to know before you go.
Cheapest flight foundRs16,803
Cheapest month to flySeptember

Finding cheap flights from Los Angeles to Ontario International: Frequently asked questions

The best price we found for a return flight from Los Angeles to Ontario International is Rs45,393. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Los Angeles to Ontario International. But we found flights with one stop from Rs45,393.
As of May 2026, there are no flights flying from Los Angeles to Ontario International.
The cheapest month to fly from Los Angeles to Ontario International is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Los Angeles to Ontario International Airport on Tuesday, 28 July 2026.
No airlines currently offer direct flights between Los Angeles and Ontario International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ontario International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ontario is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Ontario International is Frontier Airlines .

Travelling from Los Angeles to Ontario International Airport (ONT): What you need to know

  • Begin planning your trip by looking up the most convenient place to catch your flight from Los Angeles to Ontario International Airport (ONT). Explore your options for leaving from Los Angeles International Airport (LAX) or Van Nuys Airport (VNY), the city's main airports.

  • Los Angeles and Ontario (where Ontario International Airport is located) share the UTC-7 timezone. That means you won't need to adjust your watch when you land.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your flight from Los Angeles to ONT.

  • With more people on the move during peak seasons, it's wise to be at your terminal even earlier. Two hours for domestic flights and up to four for international journeys will allow for extra wait times.

Airports in Los Angeles

Los Angeles International Airport (LAX)

  • The journey from central Los Angeles to LAX takes about 55 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 32 kilometres in 30 minutes or so, depending on traffic conditions.

  • Searching for a comfortable hotel near Los Angeles International Airport? If you've booked an early flight from Los Angeles to Ontario International Airport, these accommodation options will have you sleeping a quick hop from check-in:

  • 81.05% of flights leaving Los Angeles International Airport land at their destination as planned. Given its strong performance rating, you're unlikely to be delayed when jetting out of LAX.

  • You'll find LAX at One World Way.

Van Nuys Airport (VNY)

  • VNY is around 32 kilometres from central Los Angeles. It'll take 35 minutes or so to get to the airport by car from the city centre. Public transport takes roughly 1 hour 40 minutes.

  • Want to enjoy an extra night away before boarding your Los Angeles to ONT flight? Kick back in a hotel near Van Nuys Airport before your holiday officially starts. These stays are expecting you:

About Ontario International Airport (ONT)

  • If you have a late flight from Los Angeles to Ontario International Airport, few things beat the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and sleeping not long after at one of these hotels near ONT:

  • Pick up an Ontario International Airport rental car and explore Ontario and beyond with your own wheels. Dollar, Fox - Rent A Car and Thrifty are top outlets you can book with here.

  • Lock in the best possible rate by reserving your ride around three weeks before your Los Angeles to Ontario International Airport flight.

  • You'll find ONT at 2900 E. Airport Drive.

Getting from Ontario International Airport (ONT) to central Ontario

  • Ontario International Airport to central Ontario is around 5 kilometres. If you're taking a cab or renting a car, plan ahead to make your trip as smooth as possible. Journey times may vary depending on the time of day and traffic conditions.

  • It'll take around 1 hour 30 minutes if you're travelling by public transport.

How to find the cheapest flights from Los Angeles to Ontario International Airport (ONT)

  • At the moment, Rs16,803 is the best price we've found for a one-way ticket from Los Angeles to Ontario International Airport. The cheapest price for a return flight is Rs45,393. Remember fares can change due to availability at the time of booking.

  • To find cheap flights from Los Angeles to ONT, book early. Airlines tend to offer lower prices when tickets first go on sale.

  • Cheap Los Angeles to Ontario International Airport tickets are easier to find when your travel dates are flexible. Try using the 'Whole month' search function to compare fares across every month and then pick the cheapest day.

  • Snapping up a cheap flight ticket from Los Angeles to ONT couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as a better deal is available.

  • Find a cheap flight from Los Angeles to Ontario International Airport by using filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Los Angeles to Ontario International Airport (ONT)

  • August is the most popular month for flights from Los Angeles to Ontario International Airport (ONT). Plan your visit to Ontario in May if you'd rather be there when it's quieter.

  • Book a Los Angeles to ONT flight ticket departing in August if you're eager to visit the city during its warmest month. You can expect temperatures in Ontario to range from 15ºC to 35ºC.

  • If you want to travel in cooler conditions, look for a cheap ticket from Los Angeles to Ontario International Airport in January when temperatures are between 4ºC and 23ºC.

More about Ontario

  • When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Ontario right here. Explore these options as soon as you've locked in your flight from Los Angeles to Ontario International Airport:

  • Conservation Park and Citizens Business Bank Arena are just the start of the major attractions to add to your Ontario to-do list. Keep the momentum going by heading to Scandia.

Explore more of the United States

  • San Diego is just one of the many places in the United States waiting to be explored after you've seen Ontario. Around 153 kilometres away to the south, check out popular attractions including San Diego Zoo, San Diego Balboa Park and USS Midway Museum.

  • If you want to check out another major destination in the United States, consider Bakersfield, about 193 kilometres north-west of Ontario. Kern County Museum, Dr. Martin Luther King, Jr. Park and BAPS Shri Swaminarayan Mandir are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.